A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 4140-00-122-2431
NSN 6220-00-539-0095
NSN 6620-01-461-3550
NSN 6150-01-109-1419
NSN 6220-01-339-2805
NSN 6240-01-424-6374
NSN 6130-01-200-0358
NSN 5925-01-104-4893
NSN 5920-01-329-4156
NSN 6320-01-384-7079
NSN 5895-01-004-9050
NSN 6220-00-577-3434